; 编程把首字母改大写
assume cs:code, ds:data
data segment
       ;0123456789ABCDEF
    db '1. file         '
    db '2. edit         '
    db '3. seach        '
    db '4. view         '
    db '5. options      '
    db '6. help         '
data ends


code segment


start:  mov ax, cs
        sub ax, 6
        mov ds, ax
        mov bx, 0
        mov cx, 6
lp:     mov ah, ds:[bx + 3]
        and ah, 5FH
        mov ds:[bx + 3], ah
        add bx, 10H
        loop lp
        
        mov ax,4c00H
        int 21H

code ends

end start